Question about Culligan Under Sink Water Filter

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How do i connect an RO culligan unit model no 20200112 if someone has a product manual I need to know where the different water hoses go into what connection

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The number you gave is likely a serial number, so I am unsure as to which Culligan RO system you have. I have included a link below to a page with several different system manuals, many of which are Culligan.
http://www.freshwatersystems.com/t-manuals.aspx


Geoff D., CWS-I - WQA Certified Water Specialist
Fresh Water Systems, Inc - http://www.freshwatersystems.com 1.877.335.3339

Posted on Aug 01, 2009

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My Culligan AC-30 RO system, original owner installed in 2000, started leaking to the drain last night.


I believe as vague memory recalls their is a back wash or bypass of the ro filter system. Is the leak to the drain from a tube? or from the unit? IF you have a pump, the pressures are high entering the ro filter. If no pump they are no more than the city water. But given the age, plastic parts may be approaching their end of life. I Don't know what that is, but you might google this model and see if anyone is having these kind of problems.

Mar 28, 2015 | Culligan Tools & Hardware - Others

1 Answer

For Culligan Aquacleer AC15, Carbon and RO filter oring to be mounted towards end of cartridge or manifold?


Here is a manual for a Culligan H-30. Basically the same unit. The diagram shows how to replace o-rings.
http://www.freshwatersystems.com/support/H-30.pdf

RJ

Oct 17, 2011 | Culligan Under Sink Water Filter

1 Answer

6 stage ro system under counter style will not stop draining or producing ro water at all I removed unit changed 3 pre filters and a post polisher now I gotta problem How long will this unit run to fill...


If the RO is not shutting off and there is no water from tank there are several things to check.
1. The product water tank is probably low on air. The tank may be full but no water will come out. Put enough air in tank to force out all the water then reset air pre-charge to 7psi for 3 gallon tank.
2. The capillary tube / check valve of RO system is bad. This puts back pressure on membrane to help create water.
3. The Automatic shutoff is not working, causing the unit to run constantly.
I would have to know what model RO it is to narrow down the problem further.
Depending on the Membrane production 10, 25 gpd, etc. and the TDS of water it may take 24 hrs to fill the tank.
RJ

Oct 07, 2011 | Culligan Under Sink Water Filter

1 Answer

Have a 2004 culligan ro not sure on the model but has 3 long filters. Anyway product water production is way down. So i replaced the the 3 filters/membrane. Then cleaned the drain flow restrictor. Product...


Did you replace the R.O. membrane as will as the carbon and sediment filters. If your water is very hard or you have a lot of usage the membrane could be clogging up as they use a 3-5 micron filter.I would also check pressure in your tank and set it around 5 to 7 p.s.i.Hope this helps you. Thanks

Jan 15, 2011 | Culligan Under Sink Water Filter

1 Answer

Leak at one of the fittings on my Culligan RO system


Too much pressure in holding tank will not cause leaks in the RO unit. All too much pressure in tank will do is cause low or no product water in RO tank. Older Culligan RO systems (H8, H83, H5) had fittings that used metal locking washers and these can cut the RO line after the RO has been moved around while changing filters. Newer styles (AC30, Water Tower) use quick connect fittings and the RO line may work loose after filter changes and system being moved around under sink.
Turn the incoming water off to RO, turn the water off on RO tank, open the RO faucet to relieve pressure and pull the line off feeding the RO tank, inspect (you may want to cut off a small portion of the line at the filter) check the o-ring and re-install.
RJ

Aug 01, 2010 | Culligan Under Sink Water Filter

1 Answer

I need a water diagram for a culligan water system serial number is AC10001293


Here is a link to the Culligan website for the AC 30 owners manual. It has a breakdown view of the RO.
http://www.eculligan.com/support/ac30_owners_guide.PDF
This is about as close as you will get to a water diagram for the RO. The only place to find a flow diagram is in a service manual and those are well protected by Culligan.
RJ

Jun 19, 2010 | Culligan Under Sink Water Filter

1 Answer

Hose connection


The feed water goes in the bottom and the product water comes out the top to faucet.
Here is a link to Culligan for the owners manual
http://www.culligan.com/en/service-and-maintenance/customer-support/owners-guide/obsolete-manuals/
RJ

Mar 29, 2010 | Culligan Under Sink Water Filter

1 Answer

How to sanitize ac30 culligan RO sytem?


It helps to sanitize the RO system each time you change the filters. Always test the RO water with a TDS meter to determine if the TDS rejection has dropped below 80% rejection. If it has the membrane should be changed along with the other filters. Always wear latex gloves when changing RO filters to prevent bacterial contamination. There are complete instructions on sanitizing the RO in the Culligan manual. Here is the link for the AC30 Manual.
http://www.freshwatersystems.com/support/AC-30.pdf

RJ

Dec 31, 2009 | Culligan Under Sink Water Filter

1 Answer

My Culligan RO faucet has an ''air gap'' leak. How do I clear the clogged debris causing the water to constantly run? Culligan told me that the Faucet/Air gap is clogged. Need to dislodge the debris.


Normally when it leaks out the weep hole the drain line is plugged under the sink....turn off the ro to where it's not making water, disconnect the drain hose and flush it out....make sure the adapter that's connected to the drain pipe is still lined up with the hole if it was moved the water can't get to the drain.

Mar 17, 2009 | Culligan Under Sink Water Filter

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